Most Important Questions and Answers on Biology

Questions
96 The prokaryotic genetic system contains
A DNA and histones
B Either DNA or histones
C DNA but histones
D Neither DNA nor histones

Answer: Option [C]
97 'One gene one enzyme theory' was given by
A Beadle and Tautum
B Watson and Crick
C Beadle and Morgany
D Morgan and Muller

Answer: Option [A]
98 In an organism that has 44 chromosomes i.e. 22 homologous pairs; at the end of first meiotic division the daughter cell will have
A 44 chromosomes
B 11 chromosomes
C 22 chromosomes
D All the above

Answer: Option [C]
99 The somatic chromosome complement in all human being is
A 21 pairs of autosomes and one pair of heterosomes
B 23 pairs of autosomes and one pair of heterosomes
C 22 pairs of autosomes and one pair of heterosomes
D 22 pairs of autosomes and one pair of XY chromosomes

Answer: Option [C]
100 Depending upon size and centromere position the 46 chromosomes hhave been divided into a number of groups
A 6
B 5
C 7
D 10

Answer: Option [C]

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